Please be aware that Jakarta and Kuala Lumpur has multiple airports and that these results are for all airports serving the city.
The best month to fly between Jakarta and Kuala Lumpur is October and the most expensive month to fly is December. (Average prices, based on 54334 datapoints.)
The best day to arrive at Jakarta is Tuesday and it would be best to avoid Sunday, as prices are on average 15.23% higher than on Tuesday. (Average prices, based on 51166 datapoints.)
The cheapest airline flying from Jakarta to Kuala Lumpur is AirAsia. They are 57% cheaper than Garuda Indonesia. (Average prices, based on 54362 datapoints.)
The best time to fly is at around 21. (Average prices, based on 74352 datapoints.)